Journal of prosthodontic research最新文献

{"title":"Long-term aging effects on surface properties and microbial adhesion of light- and auto-polymerizing hard reline materials.","authors":"Asuka Hirata, Kensuke Takakusaki, Miyuki Tanimoto, Natsuko Murakami, Junichiro Wada, Kosuke Nozaki, Noriyuki Wakabayashi","doi":"10.2186/jpr.JPR_D_25_00227","DOIUrl":"10.2186/jpr.JPR_D_25_00227","url":null,"abstract":"<p><strong>Purpose: </strong>Hard reline procedures are commonly used to improve denture fit; however, the long-term durability of reline materials remains unclear. This study evaluated time-dependent changes in the surface properties and biofilm adhesion of light- and auto-polymerizing hard reline materials following long-term immersion in artificial saliva. The findings may help determine optimal timing for clinical intervention and enhance prosthesis longevity.</p><p><strong>Methods: </strong>Specimens of three materials-light-polymerizing reline, auto-polymerizing reline, and heat-polymerizing denture base polymethyl methacrylate-were immersed in artificial saliva for up to 180 days. Auto-polymerizing materials continue to polymerize over time, whereas light-polymerizing materials require light irradiation. The surface properties were evaluated based on Vickers hardness, surface roughness, color stability, contact angle, and Candida albicans (C. albicans) biofilm adhesion.</p><p><strong>Results: </strong>After 180 days, the light-polymerizing material exhibited a significant increase in hardness (P < 0.001), whereas the auto-polymerizing material exhibited an increase from day 120 (P < 0.001). Contrastingly, the heat-polymerizing PMMA exhibited a significant decrease in hardness. The surface roughness increased nearly threefold for the auto-polymerizing material, indicating pronounced degradation. Color changes in the light-polymerizing material were weaker than those in the auto-polymerizing material at all time points except at 60 and 150 days. C. albicans adhesion increased significantly in the auto-polymerizing material (P = 0.034), whereas the light-polymerized material showed no significant change (P = 0.258).</p><p><strong>Conclusions: </strong>Time-dependent changes in surface characteristics were observed in both reline materials. The light-polymerizing material superior stability throughout the immersion period compared with that of the auto-polymerizing material, indicating superior long-term performance.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":"460-467"},"PeriodicalIF":3.8,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145900474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Time efficiency of a digital workflow with immediate restoration for posterior single implants (SafetyCrown): A randomized clinical trial.","authors":"Lukas Waltenberger, Sven Reich, Tobias Graf, Stefan Wolfart","doi":"10.2186/jpr.JPR_D_25_00086","DOIUrl":"10.2186/jpr.JPR_D_25_00086","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the time efficiency of an innovative workflow (SafetyCrown) for implant-supported rehabilitation of posterior single-tooth sites against the standard workflow. The hypothesis was that there is no difference in treatment duration and accuracy, as represented by the number of clinical adjustments and additional visits required.</p><p><strong>Methods: </strong>31 participants (16 females, 15 males) were included in this analysis from a randomized clinical trial. Participants were randomly assigned to the test group (SafetyCrown workflow, three visits) or control group (conventional digital workflow, six visits). The SafetyCrown workflow combined immediate restoration with a prefabricated definitive abutment and chairside provisional restoration. The control group followed a conventional digital approach in six visits. Treatment times per visit were recorded with a stopwatch; clinical adjustments and additional visits were documented.</p><p><strong>Results: </strong>The SafetyCrown workflow was completed in three visits in 53% of cases, with a mean of 3.5 visits compared with 6.1 visits in the control group. The total treatment time differed insignificantly by 10 minutes (test: 126.4 minutes; 95% CI: 116.4-136.5; control: 116.8 minutes; 95% CI: 104.4-129.3; P = 0.232), and individual visits lasted longer in the test group (e.g., surgical visit: 62 minutes vs. 33 minutes in control). Clinical adjustments were common in both groups when using model-free workflows.</p><p><strong>Conclusions: </strong>Limitations aside, the SafetyCrown workflow reduced the total visits while maintaining the overall treatment time despite longer individual appointments, thus increasing efficiency. Both fully digital workflows were feasible, although frequent adjustments highlight the need to investigate sources of inaccuracy to improve the precision and efficiency further.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":"450-459"},"PeriodicalIF":3.8,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145900542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of residual ridge morphology and manufacturing methods on the trueness of digitally fabricated denture bases of the mandible.","authors":"Atsuo Nakanishi, Yutaro Oyamada, Yuka Sasaki, Kazuhiro Kon","doi":"10.2186/jpr.JPR_D_25_00085","DOIUrl":"10.2186/jpr.JPR_D_25_00085","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the trueness of denture bases fabricated using digital light processing (DLP) and milling methods using three-dimensional (3D) models with varying residual ridge morphologies.</p><p><strong>Methods: </strong>Edentulous mandibular 3D models representing a well-rounded ridge (WR), knife-edge ridge (KR), and flat ridge (FR) were designed using computer-aided design (CAD) software. Denture bases for these models were created using dental CAD software and fabricated via DLP 3D printing at build angles of 0 and 45 degrees (DLP0 and DLP45) and by milling (MIL). A total of 90 denture bases were fabricated, with 10 bases per model-method combination. These bases were digitized and compared to their original CAD data to assess the adaptation across three regions: denture border, alveolar ridge, and retromolar pad. Measurements were performed at three time points: before water storage, after 1 day of water storage, and after 7 days of water storage.</p><p><strong>Results: </strong>The MIL bases exhibited significantly lower 3D surface deviations than the DLP0 and DLP45 bases. The KR models generally exhibited greater 3D surface deviations than the WR and FR models. Temporal changes in the denture bases were significant across almost all ridge types and manufacturing methods.</p><p><strong>Conclusions: </strong>The trueness of digitally fabricated denture bases is influenced by the residual ridge morphology and manufacturing method. Milling demonstrated superior trueness compared to DLP. Temporal dimensional changes were observed in almost all the bases.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":"433-440"},"PeriodicalIF":3.8,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145917883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of occlusal contact loss on the preferred chewing side on masticatory function: An experimental randomized crossover trial.","authors":"Shinsuke Koyama, Junichiro Wada, Yuki Mouri, Naoyasu Kosaka, Anna Takata, Hiroyuki Hamanaka, Ai Hokkedo, Natsuko Murakami, Kensuke Takakusaki, Noriyuki Wakabayashi","doi":"10.2186/jpr.JPR_D_25_00327","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00327","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate the effects of simulated molar loss on masticatory function, with a focus on the preferred chewing side (PCS).</p><p><strong>Methods: </strong>Twenty-eight participants with intact dentition were enrolled. Experimental occlusal splints (OSs) were fabricated to simulate a unilateral shortened dental arch in which the molars on one side did not contact the opposing teeth. Participants were randomly assigned to two groups. In the first group, OSs with the molar region removed on the PCS (PCS removal) were tested first, followed by repaired OSs with the molar region removed on the non-PCS (non-PCS removal). The second group underwent the reverse sequence. Outcome measures included maximum occlusal force (MOF), masticatory efficiency (ME), and subjective masticatory ability (SMA) (α=0.05).</p><p><strong>Results: </strong>No significant difference in full-arch MOF was observed between the conditions. However, the second premolar on the removal side exhibited a significantly higher MOF after PCS removal, whereas ME and SMA significantly decreased after PCS removal (P < 0.05). Moreover, the reduction in full-arch MOF following PCS removal was significantly smaller in participants whose main occluding area (MOA) was located at the second premolar compared with those with the MOA at the first molar (P < 0.05).</p><p><strong>Conclusions: </strong>Loss of molar occlusal contact on the PCS impairs both objective and subjective masticatory function and increases the occlusal load on the second premolar. These findings suggest that molar loss on the PCS may necessitate prosthetic intervention, whereas the impact may be attenuated in individuals whose MOA is located more anteriorly.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148430540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of crosslinker incorporation on mechanical properties of additively manufactured occlusal splint material.","authors":"Yuki Mouri, Junichiro Wada, Shinsuke Koyama, Anna Takata, Naoyasu Kosaka, Hiroyuki Hamanaka, Noriyuki Wakabayashi, Lippo Lassila, Pekka K Vallittu","doi":"10.2186/jpr.JPR_D_25_00282","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00282","url":null,"abstract":"<p><strong>Purpose: </strong>The effects of using triethylene glycol dimethacrylate (TEGDMA) as a crosslinker on the mechanical properties of an additively manufactured occlusal splint material were evaluated via mechanical testing in two print orientations.</p><p><strong>Methods: </strong>Thirty-two test pieces containing 0 or 5 mass% TEGDMA were additively manufactured using a digital light-processing 3D printer with a photopolymer resin at 0° and 90° relative to the printer build platform. The flexural strength (FS), flexural modulus (FM), and Vickers hardness (H_V) were evaluated. For fracture toughness (K_IC) evaluation, 32 additional test pieces were printed. The FS and K_IC results were analyzed using a two-way analysis of variance, whereas the FM and H_V results were tested using the Mann-Whitney U test. Pairwise comparisons were performed with Bonferroni correction (α = 0.05).</p><p><strong>Results: </strong>TEGDMA incorporation influenced the properties of the additively manufactured occlusal splints in a print-orientation-dependent manner. It reduced the FS and FM in the 90° orientation and increased the H_V in the 0° orientation. By contrast, a smoother surface morphology was observed after TEGDMA incorporation.</p><p><strong>Conclusions: </strong>TEGDMA incorporation influenced the properties of the additively manufactured occlusal splints in a print-orientation-dependent manner. While changes in the surface morphology were observed, unfavorable effects on certain mechanical properties were also identified. These findings suggest that print orientation should be considered when incorporating crosslinkers into additively manufactured occlusal splint materials.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148430533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploration of predominant error sources in intraoral scanning and cone-beam computed tomography semiautomated registration.","authors":"Lei Chi, Yueran Fu, Yan Bao, Huangshui Ma, Xing Wu, Xueyuan Li, Songhang Li","doi":"10.2186/jpr.JPR_D_25_00384","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00384","url":null,"abstract":"<p><strong>Purpose: </strong>Registration accuracy is vital for digital workflows because misalignment increases errors. This study explores the effects of registration methods, cone-beam computed tomography (CBCT) image quality, and number of registration points (NRP).</p><p><strong>Methods: </strong>All participants underwent intraoral and CBCT scanning. In Section 1, registration included four groups: three points, two points and one surface, one point and two surfaces, and three surfaces. In Section 2, after grouping the registrations on the basis of image quality (high, medium, or low), clinicians performed calibration trials. In Section 3, the NRP was increased from two to seven points. Deviations were measured by evaluating the anatomical landmarks (including the cusp tips, central fossae, and ends of the developmental grooves).</p><p><strong>Results: </strong>Significant differences were observed in the registration methodologies (P < 0.001), with deviations increasing from 257.0 μm (group 3 points) to 479.3 μm (group 3 surfaces). Calibration precision improved proportionally with enhanced CBCT image quality. Deviations significantly decreased from 314.4 μm (low quality) to 237.6 μm (high quality; P < 0.001). Increasing the NRP from two to four points reduced the deviations from 375.4 to 228.2 μm; however, further increasing the NRP beyond four points yielded no significant improvement (P > 0.999, P > 0.999, P = 0.152).</p><p><strong>Conclusions: </strong>Clinicians should prioritize point-based registration to improve accuracy. High CBCT image quality significantly improves accuracy. Increasing the NRP beyond four points demonstrates no statistically significant reduction in deviation.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148430562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Extension of prosthodontic digital guide workflow to reproduce lip-object spatial relationships: Application to an air-reed instrument.","authors":"Tamaki Hada, Dozan Fujiwara, Maiko Iwaki, Masanao Inokoshi, Manabu Kanazawa","doi":"10.2186/jpr.JPR_D_25_00340","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00340","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to extend the prosthodontic digital guide concept beyond intraoral applications by developing a method to capture and reproduce extraoral perioral spatial relationships using a digitally fabricated positioning guide in a proof-of-concept case.</p><p><strong>Methods: </strong>An air-reed musical instrument guide was developed to digitally record and replicate the target distance and angulation between the lips and instrument. Facial and intraoral scans were obtained from an experienced shakuhachi player using a face scanner and an intraoral scanner. The integrated 3D datasets were manually aligned using CAD software using anatomical reference landmarks and used to design a positioning guide by applying principles similar to those used in the fabrication of surgical guides. The guide was designed as a hollow structure and was exported in a Standard Tessellation Language file format. It was fabricated using a stereolithography 3D printer with a photopolymer material commonly employed in dental surgical guides, followed by post-curing and surface polishing. Preliminary usability and fit were assessed through a practical application by the musician and a self-evaluation questionnaire using six categories rated on a 10-point scale. No objective validation of the positional accuracy or reproducibility was performed.</p><p><strong>Conclusions: </strong>The proposed digital workflow demonstrates the feasibility of fabricating a positioning guide for recording and transferring lip-instrument relationships in this proof-of-concept case. This approach suggests the potential applicability of prosthodontic digital guide concepts for capturing and reproducing extraoral perioral spatial positioning.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148430588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ten years of evidence on patient satisfaction with complete dentures: A scoping review.","authors":"Mariana Sarmet Smiderle Mendes, Franciele Floriani, Christopher Andrew Childs, Leonardo Marchini","doi":"10.2186/jpr.JPR_D_25_00358","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00358","url":null,"abstract":"<p><strong>Purpose: </strong>To update our understanding of the factors influencing complete denture patient satisfaction based on evidence from the past decade.</p><p><strong>Study selection: </strong>A scoping review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines to identify articles from five electronic databases: MEDLINE via the PubMed interface, Embase, Scopus, Web of Science, and Cochrane.</p><p><strong>Results: </strong>Studies on patient satisfaction with complete dentures have gradually increased since 2018, peaking in 2022 and 2023. Randomized clinical trials (43%) were the most prevalent study design, followed by cross-sectional (32.9%) and cohort studies (11.4%). The 79 studies evaluated 16,831 individuals, with 51% female participants aged 30-93 years. Patient satisfaction was assessed using the visual analog scale and Likert scale, accounting for 67% of the assessment methods. The key aspects evaluated included comfort, retention, stability, masticatory function, esthetics, and phonetics. The main independent variables associated with satisfaction were fabrication, impression techniques, occlusal schemes, number of follow-ups, gender, age, oral condition, educational level, health history, personality and psychological factors, denture experience, socioeconomic status, dentist experience and communication skills, use of adhesives, and denture hygiene. All the included studies were judged to have a low risk of bias.</p><p><strong>Conclusions: </strong>Patient satisfaction with complete dentures is influenced by clinical techniques, patient- and dentist-related factors, and prosthesis conditions. Comfort, retention, stability, mastication, and esthetics were the most consistent determinants, whereas emerging evidence suggests that digital workflows may contribute positively.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148345490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The implant-based digital double crown rescue protocol - Initial clinical and patient-reported outcomes.","authors":"Oliver Schubert, Josef Schweiger, Florian Beuer, Jan-Frederik Güth, Janosch Goob, Julia Urich","doi":"10.2186/jpr.JPR_D_25_00194","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00194","url":null,"abstract":"<p><strong>Patients: </strong>The aim of this observational clinical case series study was to evaluate the survival rate, complication frequency, and patient satisfaction following the application of the implant-supported digital double crown rescue protocol. This approach allows for the replacement of lost or non-restorable abutment teeth while preserving the full functionality of the existing denture by inserting a dental implant, restoring it with a custom-designed meso-abutment, and reusing the original primary crown. Ten patients with a total of 15 superstructures, treated according to this concept at the Department of Prosthetic Dentistry, University Hospital, LMU Munich, were included in the study. The patients underwent clinical follow-up examinations and completed validated questionnaires to assess their quality of life and satisfaction. In addition, complications were retrospectively extracted from patient records.</p><p><strong>Discussion: </strong>The survival rates for the prostheses, implants, and reinstalled primary crowns were 100%. No specific complications related to the double crown rescue protocol were identified. Implant-related complications were rare (n = 1). Prosthetic events (n = 10) and biological complications (n = 4) were more common but could mostly be managed with moderate effort. Patient satisfaction was very high in all categories assessed.</p><p><strong>Conclusions: </strong>The double crown rescue protocol proved to be clinically successful and efficient. It enables cost-effective, functional restoration of existing prostheses in cases of abutment loss using a fully digital workflow. Given the high level of patient satisfaction and the low complication rate, this approach appears promising for routine clinical application, although larger-scale studies are needed to confirm these findings.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148345420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of dental prostheses on glycemic, nutritional, and oral health outcomes in patients with diabetes: A scoping review.","authors":"En-Chih Weng, Monika Werdiningsih, Yoko Hasegawa, Ma Therese Sta Maria, Yasuyuki Nagasawa, Ken Shinmura","doi":"10.2186/jpr.JPR_D_25_00270","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_25_00270","url":null,"abstract":"<p><strong>Purpose: </strong>To map and synthesize the existing evidence on the association between dental prosthesis use and glycemic control, nutritional status, and oral health-related quality of life (OHRQoL) in diabetes.</p><p><strong>Study selection: </strong>This scoping review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews and the Joanna Briggs Institute methodology. Systematic searches of PubMed and Google Scholar were conducted up to November 10, 2024. The eligible studies included observational and interventional studies of patients with diabetes who used dental prostheses (removable, fixed, or implant-supported). Evidence was synthesized across three predefined research questions, and exploratory meta-analyses were performed when feasible.</p><p><strong>Results: </strong>Six studies addressed the association between dental prosthesis use and glycemic control. Five reported findings suggesting favorable associations, and exploratory quantitative synthesis showed a pooled mean difference in glycated hemoglobin (HbA1c) of -0.65% (95% confidence interval (CI): -0.89 to -0.40), suggesting a possible association with lower HbA1c levels. Only one study assessed body mass index (BMI), reporting a non-significant mean difference of 0.58 kg/m² (95% CI: -0.29 to 1.45). Five studies investigated the relationship between dental prosthesis use and OHRQoL in diabetes. Evidence on OHRQoL was inconsistent, with some subgroups showing relatively favorable scores, whereas the pooled results remain inconclusive owing to high heterogeneity.</p><p><strong>Conclusions: </strong>This scoping review provides preliminary, hypothesis-generating evidence that dental prostheses may be associated with lower HbA1c levels in diabetes, while effects on BMI and OHRQoL remain unclear, highlighting the potential role of prosthodontic interventions in holistic diabetes care.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148345346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}